code: def get_organ_ind(model_info):
      """get nose, eye, mouth index"""
      valid_bin = model_info["segbin"].astype(bool)
      organ_ind = np.nonzero(valid_bin[0, :])[0]
      for i in range(1, valid_bin.shape[0] - 1):
          organ_ind = np.union1d(
              organ_ind, np.nonzero(valid_bin[i, :])[0]
          )
      return organ_ind.astype(np.int32)
  
file_path: insightface/python-package/insightface/thirdparty/face3d/morphable_model/load.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import scipy.io
label_desc: Use image node_id 5 for calling a global function with example usage: get_organ_ind(model_info) and returns: organ_ind